List of US Post Office Stores in San Simeon, CA Outlet Note Regular Brands US Post Office California San Simeon Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - San Simeon 444 Slo San Simeon Rd (805) 927-4156 People Also Viewed